"Diagram to illustrate a root-hair (h) in the soil, and its relation to the soil-particles, the capillary film of water (w), and the air spaces (a); e, epidermal cell of the root, of which the root-hair is an out-growth, or branch." -Gager, 1916

Roots in Soil

"Diagram to illustrate a root-hair (h) in the soil, and its relation to the soil-particles, the capillary…

Fascicled roots.

Fascicled Roots

Fascicled roots.

Fibrous roots.

Fibrous Roots

Fibrous roots.

The sabiate of a flower.

Sabiate

The sabiate of a flower.

"1. Salva officinalis; 2. its corolla laid open; 3. its pistil; 4. the pistil and lower part of the flower cut open; 5. perpendicular section of a nut." -Lindley, 1853

Common Sage

"1. Salva officinalis; 2. its corolla laid open; 3. its pistil; 4. the pistil and lower part of the…

"Lavradia Vellozii. 1. an expanded flower; 2. the stamens with exterior petaloid scales; 3. a seed; 4. a section of it." -Lindley, 1853

Sauvagesia

"Lavradia Vellozii. 1. an expanded flower; 2. the stamens with exterior petaloid scales; 3. a seed;…

"Scabiosa atropurpurea. 1. a flower; 2. the involucre opened to show the ovary and calyx; 3. perpendicular section of fruit." -Lindley, 1853

Sweet Scabious

"Scabiosa atropurpurea. 1. a flower; 2. the involucre opened to show the ovary and calyx; 3. perpendicular…

A scape is a flowering, leafless stem; shown here on two different plants. "1. Wild hyacinth (Scilla nonscripta). 2. Oxlip (Primula elatior). s, s, scapes." -Whitney, 1911

Scapes

A scape is a flowering, leafless stem; shown here on two different plants. "1. Wild hyacinth (Scilla…

"Selago distans. 1. a flower; 2. an anther; 3. a perpendicular section of an ovary; 4. section of seed of Microdon ovatum." -Lindley, 1853

Selago

"Selago distans. 1. a flower; 2. an anther; 3. a perpendicular section of an ovary; 4. section of seed…

"Self-heal. (Prunella vulgaris). The upper part of the stem with flowers. a, the calyx; b, the corolla; c, a leaf; d, a bract from the inflorescence." -Whitney, 1911

Self-Heal

"Self-heal. (Prunella vulgaris). The upper part of the stem with flowers. a, the calyx; b, the corolla;…

"Sesamum indicum. 1. a ripe fruit; 2. one of its halves; 3. a seed; 4. a cross section of it." -Lindley, 1853

Sesame

"Sesamum indicum. 1. a ripe fruit; 2. one of its halves; 3. a seed; 4. a cross section of it." -Lindley,…

"Sessile.--Said of leaves seated on the stem, without footstalks." -Newman, 1850

Sessile

"Sessile.--Said of leaves seated on the stem, without footstalks." -Newman, 1850

The sheath of a flower.

Sheath

The sheath of a flower.

"Spadix.--Flower stalk developed in a spatha, or sheath." -Newman, 1850

Spadix

"Spadix.--Flower stalk developed in a spatha, or sheath." -Newman, 1850

"Stamens and pistil of the grape, with a nectar gland, g, between each pair of stamens." -Bergen, 1896

Stamens and Pistil

"Stamens and pistil of the grape, with a nectar gland, g, between each pair of stamens." -Bergen, 1896

A climbing stem.

Climbing Stem

A climbing stem.

Taxaceae order consists of the yew family. The Pinaceae order consists of the pine family. The Gnetaceae order consists of gnetum family, which has semi-woody plants of diverse habit.

Taxaceae, Pinaceae, and Gnetaceae

Taxaceae order consists of the yew family. The Pinaceae order consists of the pine family. The Gnetaceae…

A thorn of a plant.

Thorn

A thorn of a plant.

"Stylidium calcaratum. 1. anthers and stigma, forming the point of the column; 2. capsule split open; 3. seed." -Lindley, 1853

Book Triggerplant

"Stylidium calcaratum. 1. anthers and stigma, forming the point of the column; 2. capsule split open;…

"Centranthus ruber. 1. a corolla; 2. section of ovary; 3. ripe fruit, with its pappus; 4. cross section of a seed." -Lindley, 1853

Red Valerian

"Centranthus ruber. 1. a corolla; 2. section of ovary; 3. ripe fruit, with its pappus; 4. cross section…

"Diagram showing the relation of the water-carrying tissues of the leaves to those of the stem, and how the older rings of growth give up their water to the newer before this water can enter the leaves. The figures at the bottom indicate in years the age of the rings." -Stevens, 1916

Water Flow in Plants

"Diagram showing the relation of the water-carrying tissues of the leaves to those of the stem, and…

The whorl of a flower.

Whorl

The whorl of a flower.

"Catkins of willow. A, staminate flowers; B, pistillate flowers." -Bergen, 1896

Willow Catkin

"Catkins of willow. A, staminate flowers; B, pistillate flowers." -Bergen, 1896